Skip to main content

Full text of "The Morphology And Evolution Of The Apes And Man"

See other formats


MORPHOLOGY AND EVOLUTION
pterygu-inaxillary ligament. It emerges froin under the ascending rarnus of the mandible and enters into the oi'bicularis oris. Its relations to the suctorial pad of fat,
F.M
P.P.
Mi
P.Y.R:
L.A.N
s.o,
CONJ.
0 ML.
f
TTTT
^
s     ,   \
C.   C.   C,
OPTIC AXIS
,     OPTIC
7—AXIS
L.P.S.
FIG. i28.—The ocular, orbital and nasal muscles in the Chimpanzee, C and E, eyelashes; CO^J,5 conjunctiva; E.N.N., external nasal nerve ; F.M., frontalis; I.O, and S.O., inferior and superior oblique muscles; I.T.L., internal tarsal ligament; L. A.N., levator alae nasi; L.P.S., levator palpebrae superior!s: L.T.B., lateral tarsal rapbe; M., muscle slips; O.P., and P.P., orbital and palpebral parts of the orbicularis oculi; C.B., ciliary bundle ; M.L. GDS., Meibomian glands: P.S., plica semilunaris.
labial salivary glands, vessels and nerves are as in Man, The fibres do not decussate in the (ribbon, Chimpanzee and Orang as they do in Man.